TABLE 3:

Inter-sequence and inter-imaging unit mean coefficients of variation (standard error of the means) for the mean diffusivity and fractional anisotropy histogram-derived metrics

Inter-Sequence (%)Inter-Imaging Unit (%)P*
Average MD1.72 (0.14)5.37 (0.7)0.003
MD peak height5.56 (0.6)10.19 (1.0)<0.001
MD peak position1.90 (0.2)4.20 (0.43)<0.001
Average FA5.45 (0.4)7.71 (0.6)0.002
FA peak height7.34 (0.9)6.07 (0.8)n.s.
FA peak location7.30 (0.6)8.74 (0.9)n.s.
  • Note.—MD indicates mean diffusivity; FA, fractional anisotropy; n.s., not significant.

  • * Statistical analysis: comparisons were conducted by using a bootstrap resampling technique.